{"author_url":"https://blog.hatena.ne.jp/HTN20190109/","author_name":"HTN20190109","provider_url":"https://hatena.blog","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F05%2F06%2F134535\" title=\"\u30c7\u30fc\u30bf\u578b - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"HTN20190109\u306e\u65e5\u8a18","version":"1.0","url":"https://htn20190109.hatenablog.com/entry/2019/05/06/134535","published":"2019-05-06 13:45:35","height":"190","title":"\u30c7\u30fc\u30bf\u578b","blog_url":"https://htn20190109.hatenablog.com/","provider_name":"Hatena Blog","type":"rich","description":"Oracle intcharvarchar2date select data_type,count(*)from dba_tab_columnswhere owner= 'TEST'group by data_typeorder by data_type; MySQL https://dev.mysql.com/doc/refman/5.6/ja/data-type-overview.html intcharvarchardatetime create table tab11(col1 int,col2 char(100),col3 varchar(100),col4 datetime); s\u2026","width":"100%","categories":["DB"]}